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Thread: What am I doing wrong on the tran slip math?

  1. #1
    Tuner in Training
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    Aug 2018
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    Tampa
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    What am I doing wrong on the tran slip math?

    VCM scanner version 4.0.12 car is 2017 Chevy SS with LSA and 6l80. It is in third gear and that ratio is 2.36. I let it use the generic sensors.

    What am I doing wrong with the trans slip math?

    I am using ([4110.56]/[4221])-[4111.56] for trans slip math. That's: Trans input shaft rpm/Trans calculated gear ratio-Trans output shaft RPM.

    If you look on the attached screen shot it is showing trans slip of 790 RPM. But when I do the math on a calculator I get: 8.066 RPM. 3711.1/2.359=1573.16-1565.1=8.066
    Attached Images Attached Images

  2. #2
    Tuner in Training
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    Aug 2018
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    Tampa
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    Anybody?

  3. #3
    are you trying to determine the amount of slip at each gear change ? Are you setting up one channel per gear ?